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UART Data transfer using DMA

Dear Sir,

Please provide me an example code in C for the above requirement. When I'm modifying the UART echo example for core interrupt to DMA interrupt during linking it shows error in IDDE as fatal error : Link failed and The following symbols referenced in processor "P0" could not be resolved: 'length[_length]' referenced from '.\Debug\UARTDMA transfer.doj'

please help in this regard as soon as possible.

regards

satya

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  • Please see the attached code for the above problem, please help me in this regard

    regards

    satya

    Please see the attached code after some modifications. After working out on the problem I try to solve the linking problem by defining the size value in counter register and it works fine for transmission, but fails to receive and fails to loopback the receive data to transmit.

    regards

    satya.

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  • Please see the attached code for the above problem, please help me in this regard

    regards

    satya

    Please see the attached code after some modifications. After working out on the problem I try to solve the linking problem by defining the size value in counter register and it works fine for transmission, but fails to receive and fails to loopback the receive data to transmit.

    regards

    satya.

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